filling your details in their website. They require you to write a recent innovation (any) related to the position or industry. And you will numerical test invitation. If you pass the test, you will get an invitation of verbal test. Just some basic calculation and English reading. Be careful the time and read the questions really careful. Then, they will review your resume. I failed to get interview and I think they only want people from top universities in US, cause my university is really good in Australia and the rank of my faculty is also top around the world.